I hooked my car up to my scan tool and I have no communication to the ECM. what could be the reason I have no communication to it?
Aug 17, 2017 at 1:19 PM
Lost communication with the ECM
2007 CHEVROLET COBALT
KYLE POWELL
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The main reason for no communication is a blown fuse to the ECM or BCM.
Here is the location of the fuse panel and a guide to help you check them:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If all fuses check out then I would suspect a bad ECM.
Please let us know what happens so we can keep helping you.
Cheers, Ken
Here is the location of the fuse panel and a guide to help you check them:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
If all fuses check out then I would suspect a bad ECM.
Please let us know what happens so we can keep helping you.
Cheers, Ken
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Aug 18, 2017 at 12:21 PM